40 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 4605 | Ellsworth | 14,695 |
| 4416 | Bucksport | 5,503 |
| 4609 | Bar Harbor | 5,198 |
| 4429 | Holden | 4,993 |
| 4614 | Blue Hill | 2,811 |
| 4640 | Hancock | 2,451 |
| 4634 | Franklin | 2,218 |
| 4627 | Deer Isle | 1,883 |
| 4472 | Orland | 1,857 |
| 4684 | Surry | 1,834 |
| 4679 | Southwest Harbor | 1,544 |
| 4607 | Gouldsboro | 1,264 |
| 4664 | Sullivan | 1,240 |
| 4421 | Castine | 1,222 |
| 4476 | Penobscot | 1,127 |
| 4676 | Sedgwick | 1,127 |
| 4660 | Mount Desert | 1,124 |
| 4681 | Stonington | 906 |
| 4616 | Brooklin | 817 |
| 4617 | Brooksville | 649 |
| 4653 | Bass Harbor | 604 |
| 4612 | Bernard | 557 |
| 4662 | Northeast Harbor | 495 |
| 4693 | Winter Harbor | 441 |
| 4650 | Little Deer Isle | 391 |
| 4685 | Swans Island | 388 |
| 4677 | Sorrento | 322 |
| 4674 | Seal Cove | 279 |
| 4408 | Aurora | 230 |
| 4624 | Corea | 213 |
| 4642 | Harborside | 194 |
| 4669 | Prospect Harbor | 178 |
| 4673 | Sargentville | 156 |
| 4646 | Islesford | 122 |
| 4613 | Birch Harbor | 114 |
| 4675 | Seal Harbor | 100 |
| 4625 | Cranberry Isles | 65 |
| 4431 | East Orland | 45 |
| 4635 | Frenchboro | 17 |
| 4683 | Sunset | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 40 ZCTAs in Hancock County, Maine (US Census).